Of all the strange things the Game Boy was asked to do, this might be the strangest. In 1998, the toy giant Bandai released an accessory that turned Nintendo's little grey handheld into a genuine, working fish finder. It was not a joke, and it was not a game pretending to be science. It was real sonar, in your pocket. Fish Boy - Bandai's Pocket Sonar Fish Finder The Pocket Sonar is exactly the kind of beautiful oddity that makes collecting the DMG-01 so rewarding, and it remains one of the most surprising items in the whole collection. What Is the Game Boy Pocket Sonar? Released only in Japan in 1998, the Bandai Pocket Sonar, or Gyogin Tanchiki, was a fishing tool built around a Game Boy cartridge. It was recognised by Guinness World Records as the first sonar-enabled peripheral for a games console. Where most cartridges held a game, this one held the brains of a real depth sounder, the sort of device serious anglers bolt to a boat. How It Worked The setup was wonderfully low-tech and clever at the same time. The base unit plugged into the Game Boy's cartridge port, and a long wire lead ran from it to a small floating transmitter. You sealed the Game Boy inside the included waterproof case, tossed the transmitter out onto the water, and the sonar pulses did the rest, mapping what lay beneath the surface and drawing it on that famous green screen. The transmitter sent its ultrasound at a 20 degree angle and could detect down to around seven metres. Surprisingly Capable This was no gimmick. The Pocket Sonar let you change how the fish icons looked, adjust the scroll speed, zoom in, turn the view of the lake bed on and off, and focus on a specific slice of the water column. For a 1998 accessory running on a monochrome handheld, that is a genuinely thoughtful feature set, and by all accounts it actually worked out on the water. More Than a Gadget Bandai did not stop at the hardware. The cartridge also included a built-in fishing encyclopedia, entirely in Japanese, and even a small fishing game to play when the real fish were not biting. It was, in effect, three things at once: a serious tool, a reference book and a toy, all squeezed into a single grey cartridge. Why the Game Boy Pocket Sonar Is a Collector's Gem Because it never left Japan and appealed to a very narrow audience, the Pocket Sonar is uncommon today, especially complete with its waterproof case and transmitter. For a collector it is a perfect conversation piece: proof that Nintendo's platform was seen not just as a toy but as a pocket computer that clever companies could bend to almost any purpose. Explore more unusual corners of the hardware in the Knowledge Base.

The same year the Game Boy arrived, Super Mario Land became one of its defining games, sending Mario across the strange world of Sarasaland to rescue Princess Daisy. What far fewer people know is that in that very same year, 1989, you could also play Super Mario Land without a Game Boy at all. You could play it on a board, around a table, with dice and pieces. This is the story of one of the rarest and most charming pieces in the whole collection. A Video Game in a Box The Super Mario Land board game was produced by Bandai and released in Japan in 1989, the same year as the video game it is based on. The idea was simple and delightful: instead of guiding Mario across the screen with a directional pad, players would physically work their way through the levels of the computer game on a printed board. It translated a digital adventure into a tactile, social one you could share around a table. Bandai's Super Mario Land Boardgame There is a lovely irony in this. The Game Boy's whole appeal was taking gaming off the tabletop and putting it in your pocket, private and portable. The board game did the exact opposite, dragging that pocket adventure back onto the kitchen table and turning a solo experience into a family one. Both existed at once, in the same year, telling the same story in completely different ways. It is easy to forget how novel all of this felt in 1989. The idea of a home video game important enough to spin off into a boxed board game was still fairly new, and it signalled that Mario had crossed over from a games character into a genuine household name. A board game is a commitment from a manufacturer; someone had to design it, print it, box it and believe families would buy it. That belief, in the Game Boy's very first year, says a great deal about the confidence surrounding Mario at the time. Bandai and the Nintendo Boom That Bandai made the game is no surprise. In the late 1980s Nintendo was the hottest name in Japanese entertainment, and its characters were licensed onto an enormous range of toys and games. Bandai, one of the country's biggest toy companies, produced all sorts of Nintendo-themed merchandise during this period. A Super Mario Land board game, riding the wave of the brand-new handheld and its flagship title, was a natural fit for the moment. Board games built around video games were a small but recurring idea in this era, a way to extend a hit into the toy aisle and onto the family table. They rarely tried to reproduce the video game exactly. Instead they borrowed its characters, its setting and the shape of its adventure, then rebuilt it around dice, cards and turn-taking. For a game like Super Mario Land, whose journey through four themed kingdoms already has a natural sense of forward progression, translating that trek into a race across a printed board was an obvious and appealing fit. Super Mario Land, reimagined for the tabletop. Rare by Nature The board game was sold only in Japan and in very limited numbers, which makes it genuinely hard to find today. Board games are fragile things to preserve: the boxes get crushed, the cardboard pieces get lost, the dice roll under the sofa and vanish. A complete example, decades later, is a real rarity, far scarcer than the millions of Super Mario Land cartridges that were pressed. That scarcity is a big part of what makes it such an unusual companion piece to the game. Sitting it next to the Super Mario Land cartridge in the collection tells a small story about how a hit game radiated outward into other formats. The cartridge is the famous artefact everyone remembers; the board game is the strange, almost forgotten sibling that only the most dedicated collectors ever encounter. Part of what makes the piece so evocative is imagining it in use. A Game Boy is a solitary, heads-down experience: one player, one screen, headphones optional. The board game flips all of that. It puts Mario's adventure in the middle of a table, shared between players taking turns, cheering and groaning at the roll of a die. The same story that a child might play alone under the covers could now be a noisy family evening, and both versions were sitting in Japanese shops in the very same year. Why It Belongs Here A museum of the Game Boy is really a museum of a cultural moment, and objects like this board game capture that moment in a way the hardware alone cannot. It shows a beloved video game escaping its screen and being reimagined for a completely different kind of play, at the very peak of Mario mania. It is proof that Super Mario Land was not just a game you played, but a world people wanted to inhabit in every format they could. The Super Mario Land board game is one of those pieces that makes people do a double take: a physical, tabletop version of a game defined by its portability. You can find it, and the cartridges that inspired it, among the Mario items in the collection.

There is a reliable sign that a product has stopped being a gadget and become a cultural phenomenon: its name starts appearing on things that have nothing to do with its original purpose. Mickey Mouse did it. Coca-Cola did it. And the Game Boy, that little grey handheld, did it too, ending up printed on a genuinely bizarre range of everyday objects. The collection gathers a good many of them, and together they are hilarious, charming and a real record of just how famous the Game Boy became. Merchandise You Could Wash With The prize for most unexpected item surely goes to the Game Boy shower foam. Somewhere, a licensing deal was signed that put the Game Boy brand onto a bottle of shower gel, presumably so that fans could start their day by lathering up with their favourite console. It is the kind of product that makes perfect sense to a marketing department and absolutely no sense to anyone else, which is exactly why it is so wonderful to have preserved. Yes, Game Boy shower foam really existed. Food and drink were fair game too. There is Game Boy bubble gum from the American maker Amurol, turning the console into a sugary treat, and a packet of Wario Land tissues, because apparently even blowing your nose could be a licensed experience. These were cheap, disposable products, which is precisely why so few survive today. The Game Boy also crept onto the walls and shelves. There is a decorative metal sign for fans who wanted the logo on display, a themed notebook for jotting down high scores, and even a set of drink coasters. None of it was necessary, and that is exactly the point: this was merchandise bought purely for the joy of surrounding yourself with something you loved. Around the Home Plenty of merchandise aimed to put the Game Boy somewhere you would see it every day. A branded alarm clock promised to wake fans in style, while a money box encouraged them to save their pocket money, ideally for more games. For the kitchen there is a heat-change mug that reveals its design when filled with a hot drink, and a handy bottle opener for the grown-up fans. Odds and Ends The long tail of Game Boy merchandise is where it gets really strange. There are novelty smart gaming glasses, a collectible Game Boy egg and a tiny Super Mario cap eraser of the kind that filled school pencil cases. None of these were ever going to be treasured heirlooms when new, which is exactly why finding them intact decades later feels like a small victory. Then there are the items designed to be collected in the first place. Sets of Game Boy trading cards and Bandai cards turned the brand into a playground currency, while a building blocks set and a simple key chain let fans carry a piece of the Game Boy with them everywhere. Individually each is a trinket; together they show a marketing machine reaching into every price point, from pocket-money impulse buys to proper little display pieces. Why Collect the Silly Stuff It would be easy to dismiss all this as tat, and when it was new, most of it was. But that is precisely what makes it valuable now. Consoles and games were expensive, cherished and often carefully kept. Shower foam and bubble gum were used up and thrown away without a second thought. Very few examples survived, so this cheap, throwaway merchandise is now among the hardest Game Boy material to find in good condition. There is also a bigger story here. The sheer breadth of Game Boy merchandise is a measure of how completely the console had entered everyday life. You did not just play a Game Boy; you could wake up to one, wash with one, chew one and keep your savings in one. A brand only reaches that far when it has truly captured the public imagination. There is a licensing story hiding in all this too. Every one of these products meant a deal was struck, a logo was approved and a factory somewhere ran off a batch of Game Boy shower foam or bubble gum. That only happens when a brand is hot enough that companies in completely unrelated industries want a piece of it. The merchandise, in other words, is a paper trail of fame: each silly object is a small receipt proving just how far the Game Boy's name could travel. The Curiosities in the Collection Taken together, these odd little objects paint a picture no console or cartridge can: the Game Boy not as a machine, but as a craze that spilled out into every corner of daily life. You can explore the full range of curiosities, from the sensible to the utterly absurd, across the collection.

Imagine being stuck on a Game Boy game in 1991. There is no internet in your pocket, no video walkthrough, no forum to ask. If a level has you beaten, your options are a friend who has cracked it, a premium-rate telephone hotline, or a book. That book was often an official Nintendo player's guide, and in the German-speaking world it went by a wonderful name: the Spieleberater, literally the game adviser. What a Player's Guide Was A player's guide was far more than a folded instruction leaflet. It was a proper printed book, packed with maps, screenshots, item lists and step-by-step strategies for getting through a game. In an age when games shipped with no hints and no in-game help, these guides were the difference between finishing an adventure and giving up in frustration. They were also beautifully made, full of colour artwork and the kind of enthusiastic writing that made you want to play more, not less. Nintendo understood that a stuck player is an unhappy player, and an unhappy player buys fewer games. The guides were part of a wider support ecosystem that included the Club Nintendo magazine, telephone tip lines and the Nintendo counsellors. Buying the guide felt like getting the official inside track, straight from the people who made the machine. The German Spieleberater and Its Cousins The collection holds several of these official guides across different regions. There is the German Game Boy player's guide and its follow-up, the second German volume, the printed Spieleberater that guided a generation of German players through the Game Boy library. Alongside them sits the American US player's guide, showing how Nintendo tailored the same idea for different markets. As the hardware evolved, so did the guides. The Super Game Boy player's guide covered the accessory that put the handheld on the television in colour, and a dedicated German Pokemon player's guide arrived to help players catch them all once Pokemon fever hit. Each one is a snapshot of what mattered most to players at that exact moment. The writing itself is part of the appeal. Official guides struck a careful balance: authoritative enough to be trusted, yet warm and excited enough to keep a young reader turning pages. They spoke to players as fellow enthusiasts rather than customers, celebrating clever secrets and hard-won victories. That voice, confident and generous, is a big reason these books are remembered so fondly, and why re-reading one today instantly returns you to the era. Single-Game Strategy Guides Beyond the broad library guides, the collection also holds strategy books devoted to single games. There is a Japanese Super Mario Land strategy guide, a Wario Land 2 guide and a Donkey Kong Land guide. For a big, difficult title, a whole book might be devoted to mapping every secret and boss, and collectors prize these single-game guides for exactly that focus. It helps to remember the world these books lived in. There was no single, searchable source of truth for a game; knowledge was scattered, passed hand to hand in playgrounds and hinted at in magazines. Nintendo filled that gap deliberately, with a whole support network of official channels, from the Club Nintendo magazine that landed on doormats to telephone tip lines staffed by real advisers. The player's guide was the most permanent and most treasured part of that network, a reference you owned outright rather than a call you had to pay for by the minute, and it carried an air of authority that a schoolyard rumour never could. Why They Still Matter It is easy to forget, in an age of instant answers, how much these books meant. A player's guide was an object you carried to school, lent to friends, and pored over under the covers, planning your next attempt. It turned a solitary struggle into a shared ritual, and it made the games feel bigger and more important than a cartridge alone ever could. They are also a rich record of the era. The screenshots capture how games actually looked on the little green screen, the maps preserve level designs in a way the games themselves never displayed all at once, and the tone captures the pure, uncynical excitement of the moment. A good Spieleberater is a time capsule. For collectors, these guides are surprisingly tricky to find in good shape. They were working documents, meant to be opened flat, carried around and thumbed through repeatedly, so most surviving copies are creased, scribbled in, or falling apart at the spine. A clean, complete guide is far scarcer than the game it describes. There is a particular pleasure in owning the exact kind of book a young player once used to finally beat a game that had defeated them for weeks, its worn corners a record of hours of determined play. The Guides in the Collection Preserved together, these guides tell the story of how players and Nintendo talked to each other before the internet changed everything. From the German Spieleberater to the American player's guides and the single-game strategy books, they are a printed companion to the cartridges themselves. You can browse the full run of publications, and the games they helped players beat, across the collection.

The Game Boy ran on four AA batteries, and for a machine you carried everywhere that created a small, constant worry: how do you keep it alive? The console's famous efficiency helped, but a daily player still went through cells at a steady rate, and batteries were not free. Out of that everyday problem grew a surprisingly large family of power accessories, official and otherwise, each promising to keep the fun going a little longer or a little cheaper. The Official Game Boy Power Supply Options Nintendo offered several answers of its own. There was a mains AC adapter for playing at home without draining a single battery, and a rechargeable adapter that clipped on to give the console its own refillable power. Later there was even a Battery Pack that combined a rechargeable cell with an adapter. These were the sensible, first-party solutions for the household that played every day. Battery Cases and Spare Cells There was also a simpler middle ground. The official battery case let you carry a fresh set of cells safely with you, so a dead Game Boy was never more than a quick swap away from life again. Independent makers offered heavy-duty packs along the same lines, aimed at the player who wanted the longest possible sessions far from any socket. It was the least glamorous answer to the power problem, and often the most practical of the lot. Power for the Back Seat: Car Adapters The Game Boy and the long car journey were made for each other, so it is no surprise that car adapters became a whole category. Plugging into the cigarette-lighter socket, they turned the family car into an endless power source, sparing parents the pleas for fresh batteries somewhere on the motorway. The collection holds several, including the Nuby car adaptor and a Japanese Takeru car adapter. For a generation, these little plugs are pure holiday nostalgia. The Third-Party Power Rush Where Nintendo led, dozens of other companies followed. Accessory makers turned out their own rechargeable bricks and battery packs, often bundled with a mains charger, competing hard on price. The Nuby Power Pak is a good example of these cheerful alternatives. Together with solar chargers and clip-on packs, they made the humble question of power into a busy little marketplace all its own. Why So Many Ways to Plug In All these gadgets exist because of one simple truth: a device you use constantly needs feeding, and everyone had a different situation. Some played at home and wanted mains power, some lived in the car, some just wanted to stop buying disposables. The variety of power accessories is really a portrait of how, and where, people actually played the Game Boy, at the kitchen table, on the school run and on family holidays. Browse the power accessories and much more across the collection.

Say the words Dragon's Lair to an arcade veteran and their eyes light up. The 1983 original was a marvel: a playable cartoon, hand-drawn by former Disney animator Don Bluth, running from a LaserDisc while a plucky knight named Dirk the Daring rescued the beautiful Princess Daphne. It looked like nothing else on the planet, and crowds gathered just to watch. So when a game called Dragon's Lair arrived on the humble Game Boy, expectations were, let us say, misplaced. What players got instead has become a small legend of its own, for all the wrong reasons. The Arcade Marvel It Borrowed Its Name From To understand the disappointment, you have to picture the original. In 1983, most arcade games were made of blocky sprites. Dragon's Lair was full-motion animation, a genuine cartoon you steered with quick, timed presses at the right moment. It was expensive to play and mesmerising to watch. The name carried enormous prestige. Slapping it on a product almost guaranteed attention, which is exactly why it ended up on hardware that could never hope to reproduce the arcade experience, the little monochrome Game Boy included. The verdict: Dragon's Lair - The Legend of a terrible game A Reputation as the Worst Game Boy Game The Game Boy version, titled Dragon's Lair: The Legend, is regularly dragged out whenever collectors argue about the worst Game Boy game ever released. That is a bold claim for a library of well over a thousand titles, yet this one earns its place in the conversation. It is not merely difficult. It is difficult in a way that feels broken, unfair and almost hostile to the person holding the console. And crucially, it plays nothing like the arcade classic whose name it wears. It Was Not Even Really Dragon's Lair Here is the twist that explains almost everything. The Game Boy game did not begin life as Dragon's Lair at all. It was built on an existing platformer called Roller Coaster, originally made for the ZX Spectrum home computer. The theme-park setting was painted over with a fantasy one, Dirk was dropped into the starring role, and the Dragon's Lair name was stamped on the box. Underneath the fresh coat of medieval paint, it was a completely different, and much cruder, game. That single fact is the key to its wonky feel: you are not playing a bespoke adventure, you are playing an old computer game in disguise. Physics You Simply Cannot Trust The heart of the frustration is that the game refuses to follow its own rules. Dirk can land on some surfaces you would never expect to be solid, and then fall straight through others that look perfectly safe. Hazards make no consistent sense either. Spikes are fair enough, but stepping on a patch of sand can kill you, and touching what looks like harmless water is instantly fatal. With no reliable logic to learn, progress comes down to memorising each screen through repeated, punishing death. It is trial and error dressed up as a game, and the tight jumps over fast, erratically moving platforms turn small mistakes into instant restarts. The Game Highlight - The Box Art The Verdict, Then and Now Critics were not kind. Electronic Gaming Monthly handed the game a dismal score, and decades later players have not softened. On GameFAQs it sits at a user rating of around 1.6 out of 5, near the very bottom of a list of more than a thousand Game Boy games. For a collector, though, notoriety has its own charm. A famously bad game becomes a talking point, a cautionary tale, and a strangely desirable shelf item precisely because everyone remembers how much it hurt. A Cautionary Tale of Licensed Ports Dragon's Lair: The Legend is really a monument to a whole era of gaming. In the late 1980s and early 1990s, a big name on the box could sell copies almost regardless of what was inside. Beloved films, cartoons and arcade hits were licensed and then bolted onto whatever code was cheap and available, often with results that had little to do with the original. The Game Boy, selling by the million, was an irresistible target for exactly this kind of quick cash-in. Understanding that context turns a bad game into an interesting artefact. That is the strange gift of a game like this. It is genuinely unpleasant to play, and yet it tells a richer story than many good games do, about ambition, corner-cutting and the wild west of early handheld publishing. You can see this notorious cartridge for yourself, Dragon's Lair: The Legend, in the collection.

The whole point of the Game Boy was that it fit in your pocket. So there is something gloriously contrary about an accessory that takes that tiny, portable machine and bolts it into a chunky tabletop box bigger than the handheld consoles it competed with. That box was the Konami HyperBoy, and it is one of the most charming over-engineered curiosities in the entire Game Boy story. Konami Hyper Boy Arcade Machine What Is the Konami HyperBoy? Released only in Japan in 1991, the Konami HyperBoy is an arcade-style cradle for the original Game Boy. It pairs powerful stereo speakers with a screen magnifier, two little front-mounted lamps and a proper arcade stick, all running on a pair of D batteries. At roughly 25 by 16 by 18 centimetres it is genuinely large, bigger than some of the rival handhelds of the day. How It Actually Works The clever twist is that the HyperBoy barely connects to the Game Boy at all. The console simply slides into the back of the unit. The only true electronic link is audio: a 3.5 millimetre headphone plug carries the sound into the built-in speakers. The arcade stick and buttons are pure mechanics, pressing physical plungers down onto the Game Boy's own controls, and a switch lets you toggle the stick between four-way and eight-way movement. Even the lights are simple bulbs tucked inside the magnifier housing. Gloriously Over-Engineered The HyperBoy belongs to a wonderful era of accessory excess, when companies competed to make the Game Boy louder, brighter and more comfortable. It promised a more immersive, almost arcade-like session at the kitchen table, and it was far from alone: cradles like the Joyplus Handy Boy chased the same idea with their own mix of speakers, lights and magnifiers. The HyperBoy simply took the concept furthest. Why the Konami HyperBoy Is a Collector Favourite Because it was a Japan-only release and is bulky enough that few survived in good condition, the HyperBoy is a sought-after display piece today. It captures a moment when the Game Boy felt less like a finished product and more like a platform people loved to tinker with and build around. Discover more unusual peripherals in the Knowledge Base.

The Game Boy went almost everywhere: school buses, back gardens, long-haul flights. But one of them went somewhere no games console had ever been before. It left the planet. In 1993 a Nintendo Game Boy orbited the Earth aboard a space station, and decades later it sold at auction with a story few collectibles can match. The First Game Boy in Space The journey began on Soyuz TM-17, which carried Russian cosmonaut Aleksandr Serebrov to the Mir space station in 1993. Tucked into his kit was a standard Nintendo Game Boy, complete with a Tetris cartridge. That unassuming grey handheld became the first games console in space, a real Game Boy in space rather than a publicity mock-up. 196 Days in Orbit The little machine did not just visit, it lived up there. Over the mission it spent 196 days in space and circled the Earth more than three thousand times. In his own note on the device, Serebrov recalled that during flight, in rare minutes of leisure, he enjoyed playing the Game Boy, the very same simple pleasure millions of people on the ground knew so well. Why Tetris Was the Perfect Choice There is a lovely symmetry to the cartridge he chose. Tetris was created in the Soviet Union, so a Russian cosmonaut unwinding with it far above the Earth feels almost poetic. The game that helped sell the Game Boy on the ground also kept its pilot company in orbit. From Orbit to Auction Years later the space-flown Game Boy came back down to market. It was offered in Bonhams' 2011 Space History sale and sold for around 1,220 dollars, its value resting not on a rare model but on an extraordinary provenance. It remains one of the most remarkable footnotes in the whole Game Boy story.

Switch on an original Game Boy and the ritual is always the same: the Nintendo logo slides down from the top of the screen, settles in the middle, and a short two-note chime rings out. Anyone who grew up with the handheld can hum it instantly. What almost nobody realised at the time is that this little moment was not just for show. It was a clever piece of legal engineering. The Game Boy Start-up Sound and Logo When you power on, a small built-in program called the boot ROM takes over. It scrolls the Nintendo logo down the screen, one pixel at a time, then plays the famous chime by sounding one note and then a second. Only after that does your game begin. The whole sequence lasts a couple of seconds, and the Game Boy start-up sound has been burned into the memory of a generation ever since. A Logo Hidden in Every Cartridge Here is the clever part. The boot ROM does not store the Nintendo logo it shows. Instead it reads the logo out of the cartridge you inserted, from a fixed spot in the cartridge's header, and only the registered trademark symbol comes from the console itself. Every official Game Boy cartridge therefore carries a copy of the Nintendo logo, and the console checks it before it will run anything. A Clever Legal Trap Because a cartridge must contain Nintendo's logo to boot at all, any company making unlicensed games had to copy that logo too, which meant reproducing Nintendo's trademark without permission. That turned a simple start-up animation into a legal tripwire. It was aimed in particular at manufacturers in places like Taiwan, and it gave Nintendo the grounds it needed in trademark disputes with unlicensed cartridge makers. A start-up jingle, doubling as a copyright guard. Why the Game Boy Start-up Sound Still Resonates Today that chime is pure nostalgia, a tiny sound that drops people straight back into childhood. But it is also a perfect little example of how the Game Boy married smart engineering with smart business. The next time you hear that ba-ding, remember it was working harder than it sounded. Explore more behind-the-scenes detail in the Knowledge Base.

We tend to think of a cartridge as a box of read-only code, the game and nothing more. But late in the Game Boy's life, a handful of cartridges quietly broke that rule, hiding real electronics inside that let the handheld sense movement and even push back. The result was a Game Boy you did not just press buttons on, but tilted, shook and felt. The Game Boy Tilt Sensor The most famous example is Kirby Tilt 'n' Tumble, a game whose tilt-sensor cartridge contained a built-in accelerometer. Released for the Game Boy Color in 2000, it asked you to physically tilt and angle the whole console to roll Kirby around the screen. The cartridge even had a distinctive translucent pink shell and an unusual shape to house the sensor. Its tilt input was simple, registering one of four directions at a time, but the idea of moving the hardware itself to play was genuinely ahead of its time. Rumble in the Cartridge Other cartridges added feedback rather than input. A rumble cartridge carried a small vibration motor, so the game could buzz and shudder in your hands at the right moments. Powered from the cartridge itself, it brought a touch of the home-console rumble experience to a pocket machine that, on its own, could only beep. Smarts Inside the Cartridge These motion carts were part of a bigger pattern: the Game Boy could be upgraded simply by putting new hardware inside the cartridge. The Game Boy Camera hid a light sensor, some carts held real-time clocks, and the tilt and rumble paks added motors and accelerometers. The slot on the back was, in effect, an expansion port, and developers used it in wonderfully creative ways. Why the Game Boy Tilt Sensor and Rumble Carts Matter Tilt and rumble cartridges previewed a future that motion controls would later make mainstream, from twist-to-play handheld games to the waggle of the Wii. Their unusual shapes and colours also make them stand out on a shelf, so collectors prize them as both technical curiosities and eye-catching pieces. Discover more clever hardware in the Knowledge Base.

Anyone who owned an original Game Boy knows the ritual: hunching toward a window, tilting the screen back and forth, or holding the whole thing up to a lamp just to make out what was happening. The handheld had no backlight, and in anything less than good light it could be almost unreadable. Where there is a problem that universal, accessory makers are never far behind. Lighting the Game Boy became a small industry all of its own. The Game Boy Light Problem The reflective screen that made the Game Boy so power-efficient had one obvious downside: with no built-in light, it relied entirely on the room around you. Clip-on lamps were the answer. Products like The Illuminator attached to the top of the console and shone a small bulb across the screen, finally letting you play in the car at night or under the covers without a torch in your teeth. Lights, Magnifiers and Combos The category quickly branched out. Some accessories were pure lights, others were magnifiers that enlarged the small screen, and many combined the two into a single clip-on visor with a bulb and a lens together. The Beeshu MagniLight is a classic example, and brands such as Nuby and Gamester offered their own versions. Between them they covered every combination of brighter and bigger you could want. An Accessory Arms Race Lights and magnifiers were part of the same 1990s wave that produced cradles, amplifiers and FM tuners: a friendly arms race to make the Game Boy more comfortable to use. Almost every accessory brand had at least one light-and-magnifier product, which is why so many different designs survive today, from neat little clip lamps to bulky visors that doubled the size of the console. Why Game Boy Light Accessories Are Collectible Because they were cheap, well used and easily broken or lost, a clean boxed Game Boy light or magnifier is more uncommon than you might expect. As a group they tell the story of a much-loved flaw, the dim screen that an entire generation worked around, and they make a wonderfully varied sub-collection. Browse more accessories in the Knowledge Base.

Today, buying a game means tapping a button and waiting for a download. It feels modern. Yet a version of that idea existed in Japan around the turn of the millennium, built not around the internet but around a blank cartridge and your local convenience store. It was called Nintendo Power, and it let you fill an empty cartridge with the games of your choice. What Was the Nintendo Power Cartridge? Nintendo Power was a Japanese service that ran from 1997 to 2007. Customers bought a special, blank white memory cartridge and then had games written onto it. It began with Super Famicom titles on SF Memory Cassettes, and later offered Game Boy games on GB Memory Cartridges. Instead of one fixed game, you owned a reusable cartridge you could load and reload. Downloading at the Convenience Store The genius was the location. You took your cartridge to a Lawson convenience store and used its Loppi kiosk to pick and write games, usually for less than the price of a boxed copy. The Game Boy side of the service launched on 1 March 2000, slightly later than planned, after Taiwan's 1999 earthquake disrupted production of the memory cartridges. For a while, restocking your games was as routine as buying a drink and a snack. How the Memory Worked Inside, the cartridge used flash memory divided into eight blocks. One block was normally set aside for an on-cartridge menu that let you choose which loaded game to play, leaving the rest for the games themselves, with larger titles simply taking up more blocks. When you fancied something new, the cartridge could be wiped and rewritten with a fresh selection. Why the Nintendo Power Cartridge Fascinates Collectors The Nintendo Power cartridge was a quiet glimpse of the digital future, a download service that worked without home internet, years before app stores existed. Because it was Japan-only and the games on any given cartridge vary, each surviving unit is a little snapshot of what one player chose to carry. That makes them genuinely intriguing to collectors. Explore more unusual hardware in the Knowledge Base.